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Related papers: Quantum diffusion of dipole-oriented indirect exci…

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We show that with a system of electrically-gated wide quantum wells embedded inside a simple dielectric waveguide structure, it is possible to excite, control, and observe waveguided exciton polaritons that carry an electric dipole moment.…

Quantum Gases · Physics 2016-06-15 Itamar Rosenberg , Yotam Harpaz , Kenneth West , Loren Pffeifer , Ronen Rapaport

Layered bosonic dipolar fluids have been suggested to host a condensate of interlayer molecular bound states. However, its experimental observation has remained elusive. Motivated by two recent experimental works [Hubert et al., Phys. Rev.…

Mesoscale and Nanoscale Physics · Physics 2022-07-27 Michal Zimmerman , Ronen Rapaport , Snir Gazit

In contrast to interband excitons in undoped quantum wells, doped quantum wells do not display sharp resonances due to excitonic bound states. In these systems the effective Coulomb interaction between electrons and holes typically only…

Using Ewald's summation method we investigate collective electronic excitations (excitons) of ultracold atoms in parallel planar optical lattices including long range interactions. The exciton dispersion relation can then be suitably…

Quantum Physics · Physics 2011-10-04 Hashem Zoubi , Helmut Ritsch

This paper considers the propagation of excitons in linear chains of QDs with a side defect, located on a dielectric substrate. This configuration is suitable for spatially selective excitation of the system by pulsed optical radiation…

Mesoscale and Nanoscale Physics · Physics 2026-02-17 Aleksey Vlasov , Pavel Golovinski

The properties of ultracold quantum gases of bosons with dipole-dipole interaction is investigated at finite temperature in the frame of the representative ensembles theory. Self-consistent coupled equations of motion are derived for the…

Quantum Gases · Physics 2016-06-22 Abdelaali Boudjemaa

Motivated by the potential experimental relevance of magnetically affected heavy-quark diffusion, we consider here a five-dimensional nonlinear Einstein-Born-Infeld-dilaton model to not only holographically model the QCD thermodynamics in a…

High Energy Physics - Theory · Physics 2025-10-17 Siddhi Swarupa Jena , Arpan Bhattacharjee , David Dudal , Subhash Mahapatra

A new microscopic approach to the optical transitions in quantum dots and quantum dot molecules, which accounts for both diagonal and non-diagonal exciton-phonon interaction, is developed. The cumulant expansion of the linear polarization…

Other Condensed Matter · Physics 2015-06-25 E. A. Muljarov , T. Takagahara , R. Zimmermann

The spin dynamics of an interwell excitons gas has been investigated in n-i-n GaAs/AlGaAs coupled quantum wells (CQWs). In these heterostructures the electron and the hole are spatially separated in neighboring quantum wells by a narrow…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 A. V. Larionov , V. E. Bisti , M. Bayer , J. Hvam , K. Soerensen

We investigate the close connection between the quantum phase space Wigner distribution of small-$x$ gluons and the color dipole scattering amplitude, and propose to study it experimentally in the hard diffractive dijet production at the…

High Energy Physics - Phenomenology · Physics 2016-05-25 Yoshitaka Hatta , Bo-Wen Xiao , Feng Yuan

We calculate azimuthal correlations between the exclusively produced vector meson and the scattered electron in Deep Inelastic Scattering processes at the future Electron-Ion Collider (EIC). We identify "kinematical" and "intrinsic"…

High Energy Physics - Phenomenology · Physics 2021-05-24 Adrian Dumitru , Heikki Mäntysaari , Risto Paatelainen , Kaushik Roy , Farid Salazar , Björn Schenke

The spin structure and spin dynamics of excitons in an ensemble of (In,Al)As/AlAs quantum dots (QDs) with type-I band alignment, containing both direct and indirect band gap dots, are studied. Time-resolved and spectral selective techniques…

Mesoscale and Nanoscale Physics · Physics 2019-05-15 J. Rautert , T. S. Shamirzaev , S. V. Nekrasov , D. R. Yakovlev , P. Klenovský , Yu. G. Kusrayev , M. Bayer

We develop a theory to calculate exciton binding energies of both two- and three-dimensional spin polarized exciton gases within a mean field approach. Our method allows the analysis of recent experiments showing the importance of the…

Condensed Matter · Physics 2019-08-15 J. Fernández-Rossier , C. Tejedor , L. Muñoz , L. Viña

This paper considers a system of two parallel quantum Hall layers with total filling factor $0$ or $1$. When the distance between the layers is small enough, electrons and holes in opposite layers form inter-layer excitons, which have a…

Mesoscale and Nanoscale Physics · Physics 2016-03-03 Brian Skinner

The spin diffusion/transport in $n$-type (001) GaAs quantum well at high temperatures ($\ge120$ K) is studied by setting up and numerically solving the kinetic spin Bloch equations together with the Poisson equation self-consistently. All…

Materials Science · Physics 2007-05-23 J. L. Cheng , M. W. Wu

Cavity quantum electrodynamics (CQED) and its extensions are widely used for the description of exciton-polariton systems. However, the exciton-polariton models based on CQED vary greatly within different contexts. One of the most…

Quantum Physics · Physics 2026-05-21 Yi-Ting Chuang , Liang-Yan Hsu

We propose a three-pulse coherent ultrafast optical technique that is particularly sensitive to two-exciton correlations. Two Liouville-space pathways for the density matrix contribute to this signal which reveals double quantum coherences…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Lijun Yang , Shaul Mukamel

The structure appearance in exciton density distribution in semiconductor double quantum well with transverse electric field applied is studied, in the case when the metal electrode contains a round window. It is suggested that there is…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. A. Chernyuk , V. S. Kopp , V. I. Sugakov

We discuss quantum effects in the diffusion process which is used to describe the shape evolution from the touching configuration of fusing two nuclei to a compound nucleus. Applying the theory with quantum effects to the case where the…

Nuclear Theory · Physics 2009-11-11 Kouhei Washiyama , Bulent Yilmaz , Sakir Ayik , Noboru Takigawa

We investigate theoretically acoustic phonon induced decoherence in quantum dots. We calculate the dephasing of fundamental (interband or intraband) optical transitions due to real and virtual transitions with higher energy levels. Up to…

Other Condensed Matter · Physics 2015-05-13 Thomas Grange